An oasis is an isolated patch of land in a desert surrounding a source of water which allows vegetation to grow.
Historic Map - World According to The Idea of
Sahara Desert - WorldAtlas
Egypt Maps & Facts - World Atlas
Worldatlas.com - Gaberoun oasis, Idehan Ubari, Libya
Oasis
What Is An Oasis? - WorldAtlas
Oasis
What Is An Oasis? - WorldAtlas
oasis - Students, Britannica Kids
Trouble in Paradise? The untold story of the oasis biodiversity
Nile River - WorldAtlas